20 PPC-105User'sManual2.4.6 External VGAThe PPC-105 can be connected to an external CRT monitor. To connectan external CRT monitor, connect the monitor's VGA cable to thePPC-102's VGA port and connect the monitor's power cable to an ACoutlet. The PPC-105's external CRT display (VGA) connector is astandard 15-pin D-SUB connector commonly used for VGA.2.4.7 Four serial COM portsMany available peripherals, such as a serial mouse or an optionaltouchscreen, require connection to a serial COM port. When anoptional touchscreen is ordered with a PPC-105, it shares COM4,and COM4 is not available as a serial port.2.4.8 EthernetThe PPC-105 is equipped with a high performance 32-bit Ethernetchipset which is fully compliant with the IEEE 802.3 100 Mbps CSMA/CD standards. It is supported by major network operating systems. Itis also both 100Base-T and 10Base-T compatible. The medium typecan be configured via the RSET8139.EXE program included on theutility disk. (See Chapter 4 "Software Configuration" for detailedinformation.)The Ethernet port provides a standard RJ-45 jack. The network bootfeature can be utilized by incorporating the boot ROM image files forthe appropriate network operating system. The boot ROM BIOS filesare combined with system BIOS, which can be enabled/disabled in theBIOS setup.2.4.5 Mic-in, line-outThe PPC is equipped with a high quality audio interface, whichprovides 16-bit Cd quality recording and playback as well as OPL3compatible FM music. It is supported bya ll major operating systemsand is completely compatible with Sound Blaster Pro.The audio interface includes two jacks: microphone-in and line-out(See Fig. 1-2). Their functions are:
